Economic evaluation of cereal cropping systems under semiarid conditions: minimum input, organic and conventional . Scientia Agricola, [S. l.], v. 66, n. 5, p. 615–621, 2009. DOI: 10.1590/S0103-90162009000500005. Disponível em: https://revistas.usp.br/sa/article/view/22498.. Acesso em: 4 may. 2024.